package top.lt.lt_ssm.dao;

import java.util.List;

import top.lt.lt_ssm.bean.message;

public interface MessageDao {
	
	public List<message> gatall();
	
	public List<message> gatin1(int id);
	
	public List<message> gatin2(String usn);
	
	public List<message> gatin3(String bt);
	
	public int DelByid(int id);
}
